Cover Image: January 2003 Scientific American Magazine See Inside

January 2003 Puzzle Solution [Preview]

By Dennis E. Shasha















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If you force C4 for seven seconds, D4 for 10 seconds, E6 for seven seconds and F6 for 13 seconds:

C1 will be down at 10-14 seconds, 20-24, 30-34, 40-44, etc.


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January 2003 Puzzle Solution: Scientific American Magazine

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